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If yours is on constantly or won't come on there are several possibilities. There is a relay, usually inside the transmission, that controls the lock-up solenoid inside the torque converter. If the lock-up won't release, the problem is often that relay. The good part is, it's a lot less expensive than a transmission rebuild and if you can find a reputable transmission shop (that's the bad part, they're difficult to find) they will replace the faulty relay at a reasonable price. On the other hand, it can also be the torque converter, in which case the transmission has to come out and they'll need to replace the torque converter. Then you'll get the speech, "While it's out it's a good idea to..."
If it WON'T lock up when going down the road, it can be a sensor, the relay or, yes, the torque converter.
What else can I help you with?
Will a 700r4 torque converter run in a turbo 350?
No it will not. Because it is a lock-up converter and the 350 turbo is not set up for a lock-up converter.
Will unplugging torque converter hurt?
it wont let lock up engage
Where is torque converter lock up switch on 1997 LHS?
inside trans
How do you change the torque converter lock up clutch on a 1991 beretta?
If you have a torque converter lock all the time problem when hot replace solenoid under driver side cover of transmission .
What is a torque converter lock up in a 1977 Chevy Nova?
12, to 1400 rpm.
How do you fix a PO743 code on Ford?
Torque Converter Clutch system electrical failure. Replacing the torque converter lock-up solenoid may solve the problem.
Does a 1985 Pontiac fiero have a transmission solenoid?
The automatic has one for the lock up torque converter
How do you disable the lock up torque converter on a 1993 GMC sierra?
You can't. It is computer controlled.
RPM's on Grand Am GT jump up while driving 50-70 mph Had tranny checked and no codes came up Any suggestions on what to check next?
Have the Overdrive and the Lock-Up Torque Converter checked. I would suspect the Lock-Up Torque Converter Solenoid is going bad.
What are the three wires that go to the trans for on 1986 Monte ss?
They control the lock up torque converter.
Why 2001 Chrysler sebring dies at stop stop signs?
Could be the "Torque Converter Lock-up" Solenoid sticking in the lock position.
Engine code p1740 on Dodge Ram 1500?
Tcc or od solenoid performance. It is caused by a slip in either torque converter lock up or in overdrive. usually the torque converter has failed.
